Cloud X 4 Running Shoes

On Cloud X 4

Built for the athlete who refuses to choose between performance and style, the On Cloud X 4 delivers explosive energy return and cloud-like cushioning in a sleek, modern silhouette. Whether you're crushing a workout or out for the day — this shoe moves with you.

Key Features

• CloudTec® Phase™ sole — On’s signature cushioning system that compresses on landing and springs back for a propulsive toe-off
• Helion™ superfoam midsole — lightweight and responsive foam that stays consistent across all temperatures
• Engineered mesh upper — breathable, adaptive fit that wraps the foot naturally
• Speedboard® carbon-infused plate — efficiently transfers energy from heel to toe
• Rubber outsole pods — durable grip on both indoor and outdoor surfaces
• Padded collar and tongue — premium comfort and a secure fit

Details

• Colourway: 7 Variants
• Upper: Engineered mesh
• Midsole: Helion™ superfoam
• Outsole: Rubber CloudTec® pods
• Laces: Flat woven laces
• Gender: Unisex / Men’s

Experience the next generation of On running technology — engineered for performance, designed for life.

On foot-length guide (cm)

Approximate foot lengths are matched to the existing US men’s size in each option, using On’s published JP sizing and its guidance that JP size is about 1 cm longer than measured foot length.

Existing size label	Approx. foot length
US M 3.5 / US W 5 / UK 3 / EU 36	21.0 cm
US M 4 / US W 5.5 / UK 3.5 / EU 36.5	21.5 cm
US M 4.5 / US W 6 / UK 4 / EU 37	22.0 cm
US M 5 / US W 6.5 / UK 4.5 / EU 37.5	22.5 cm
US M 5.5 / US W 7 / UK 5 / EU 38	23.0 cm
US M 6 / US W 7.5 / UK 5.5 / EU 38.5	23.5 cm
US M 6.5 / US W 8 / UK 6 / EU 39	24.0 cm
US M 7 / US W 8.5 / UK 6.5 / EU 40	24.0 cm
US M 7.5 / US W 9 / UK 7 / EU 40.5	24.5 cm
US M 8 / US W 9.5 / UK 7.5 / EU 41	25.0 cm
US M 8.5 / US W 10 / UK 8 / EU 42	25.5 cm
US M 9 / US W 10.5 / UK 8.5 / EU 42.5	26.0 cm
US M 9.5 / US W 11 / UK 9 / EU 43	26.5 cm
US M 10 / US W 11.5 / UK 9.5 / EU 44	27.0 cm
US M 10.5 / US W 12 / UK 10 / EU 44.5	27.5 cm
US M 11 / US W 12.5 / UK 10.5 / EU 45	28.0 cm

Orders handling time is 1–3 business days after confirmation. Once shipped, transit typically takes 5–10 business days depending on your location.

Total Estimated Delivery Time: 6–13 business days (Handling + Transit).

Orders are shipped through trusted courier partners and tracking details are shared once dispatched.

Please note:
• Orders are not shipped on Saturdays , Sundays or public holidays  
• Delivery timelines may vary based on location and courier services  
• Customers must provide accurate shipping details to avoid delays or extra charges  
• We do not guarantee exact delivery dates as they depend on logistics partners  

If your item arrives damaged or is lost in transit, please contact us within 48 hours of the expected delivery date: 📧support@shoeunited.com